As a GM, I hate these sorts of gimmick campaigns. In systems with involved combat or other mechanical systems, everyone playing a variant of the same class just brings down the already tenuous encounter design system.
Honestly, if you want to run a gimmick campaign, then just do what people do on itch.io and write/adapt a PbtA hack instead. For example, the classic all-bard campaign. If you want to run a campaign where all the players are musicians, why use a system where the only mechanical support is single skill and 95% of the rules are either combat rules or spell lists (which are then 80% combat and 20% invalidating non-magical characters' skills.)
As a GM, I hate these sorts of gimmick campaigns. In systems with involved combat or other mechanical systems, everyone playing a variant of the same class just brings down the already tenuous encounter design system.
Honestly, if you want to run a gimmick campaign, then just do what people do on itch.io and write/adapt a PbtA hack instead. For example, the classic all-bard campaign. If you want to run a campaign where all the players are musicians, why use a system where the only mechanical support is single skill and 95% of the rules are either combat rules or spell lists (which are then 80% combat and 20% invalidating non-magical characters' skills.)
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